The vmci_transport_dgram_dequeue function in net/vmw_vsock/vmci_transport.c in the Linux kernel before 3.9-rc7 does not properly initialize a certain length variable, which allows local users to obtain sensitive information from kernel stack memory via a crafted recvmsg or recvfrom system call.
| Product | Vendor | Version |
|---|---|---|
| n/a | n/a | < 7d381137cb6ecf558ef6698c7730ddd482d4c8f2 |
| n/a | n/a | < 4.2.27 |